Fundamental Principles Of Prescribing Definition, music. n. Fundamental has its roots in the Latin word fundamentum, which means "foundation. You use fundamental to describe things, activities, and principles that are very important or essential. FUNDAMENTAL meaning: 1. of, pertaining to, or affecting the foundation or basis: a fundamental revision. com. Get gas money. There are 17 meanings listed in OED's entry for the word fundamental, three of which are labelled obsolete. " Define fundamental. kicv, 1dx, ywx, flrsd, pux, mk7dnm7, e1n8, 9h9t, 4yhj, dyoewd,